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<script>
  const arr=[1,2,4,3]
  console.log(...arr);//1 2 4 3
  console.log(Math.max(arr[0],arr[1],arr[2])) //4
  console.log(Math.max.call(null,...arr))     //4
  console.log(Math.max.apply(null,arr))       //4
</script>
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